Pipe joints or couplings – With assembly means or feature – Guide and support
Patent
1981-07-29
1984-02-07
Arola, Dave W.
Pipe joints or couplings
With assembly means or feature
Guide and support
285 31, 285330, 285368, 285423, F16L 3500
Patent
active
044299036
ABSTRACT:
A pipe coupling device particularly adapted for receiving and holding in sealing engagement with a pair of opposed ends of first and second pipe sections, a coupling element or valve member also having opposed end portions. The coupling device includes a pair of opposed sets of valve holders, each set including a pipe flange connectable to the end of a corresponding adjacent pipe section, inner valve guide members for slidably receiving the opposite end portion of the valve member, and an annular gasket between each of the sets of end flange members and guide members. The two sets of valve holders are secured together by a pair of transversely spaced upper tie rods and a lower tie rod to permit the free insertion of the valve member between the upper tie rod and into operative position within the respective guide members. The two sets of holders are axially movable toward and away from the valve member in operative position to permit insertion and removal of the valve member, and are held in tight sealing engagement with the ends of the valve member by means of nuts threaded on the tie rods, and against the respective valve holders.
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patent: 1632206 (1927-06-01), Tolman
patent: 2740423 (1956-04-01), Stillwagon
patent: 2994342 (1961-08-01), Stillwagon
patent: 3371677 (1968-03-01), Connolly
patent: 3409268 (1968-11-01), Gachot
patent: 3442288 (1969-05-01), Scaramucci
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patent: 3643983 (1972-02-01), Ludeman
patent: 3672632 (1972-06-01), Chow
patent: 3830527 (1974-08-01), Naifeh
patent: 3875969 (1975-04-01), Sgouraker
patent: 4073402 (1978-02-01), Wood
Arola Dave W.
Lackey Harrington A.
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